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#1 |
Registered User
Join Date: Nov 2016
Location: Arlington tx
Posts: 14
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What is the max drop in the rear?
What is the max drop in the rear with out cutting the bed floor? 70 gmc, swb with leaf springs. I'm looking for 8, I did 3in drop spindles and 3in drop springs, 6 to 5 lug conversion and drum to disc conversion on the front today. I've bought a flip kit for the rear, but I'm out of time for the day to mess with the back. Thank you for any info.
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#2 |
Registered User
Join Date: Nov 2016
Location: Arlington tx
Posts: 14
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Re: What is the max drop in the rear?
I'm I missing something here? Not one response..
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#3 |
Registered User
Join Date: Jul 2015
Location: Cleveland Texas
Posts: 109
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Re: What is the max drop in the rear?
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#4 |
Registered User
Join Date: Nov 2016
Location: Arlington tx
Posts: 14
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Re: What is the max drop in the rear?
Not yet, I'm trying to see if I can get away with not cutting the bed floor, I bought the flip kit. I don't know if I should get 3in block or the extended spring hanger?
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#5 |
Registered User
Join Date: Jul 2015
Location: Cleveland Texas
Posts: 109
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Re: What is the max drop in the rear?
Maybe if you measure from the top of the rear differential to the bed floor that should give you some idea on how much drop, but you do need to allow for some suspension travel so it doesn't bottom out every time you go over bumps.
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#6 |
Registered User
Join Date: Jun 2014
Location: Mocksville, NC
Posts: 1,747
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Re: What is the max drop in the rear?
Pretty much this. Alternatively, you could just measure from rear end tube to frame minus suspension travel and that is max drop on an unmodified frame with no worry of hitting the bed floor. If you choose to do a c-notch, that will give you about 2.5" more available space to drop. Bottomed out on a c-notch will put the top of the differential just touching the bottom of the bed floor.
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Builds: Green Gus the 68 C10 ; Sullii the 72 1500 - Instagram: @dr.hewitt - C10 Concept/Development Photos: Master Thread |
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#7 |
Registered User
Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,717
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Re: What is the max drop in the rear?
I have a 69 short step with leaf springs. I did the DJM flip kit and it dropped the truck 7 1/4". I have almost 2" clearance above axle housing and the 1/4" urethane bump pad that came with the kit.
That is the practical limit IME. It is driveable without any real issues at that level but does bounce off the pad on sharp impacts. My opinion is that 8" is too low without the C notch. 7 is doable.
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44 Willys MB 52 M38A1 64 Corvette Coupe 68 Camaro 'vert LT1 & TH700 69 Z/28 355 12.6's @110 69 Chevy Short Step 4 1/2"/7" drop 72 Jimmy 4WD 4spd 4" & 35's 02 GMC 2500HD 4x4 Duramax |
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#8 |
Registered User
Join Date: Nov 2016
Location: Arlington tx
Posts: 14
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Re: What is the max drop in the rear?
Thank you for the info. I can do the notch, but I was hoping to not have to ge in to the bed floor.
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#9 |
Registered User
Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,717
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Re: What is the max drop in the rear?
I never measured on mine because the frame was the closest interference area, but that would be a deal killer for me. I'm pleased with the look and function of the truck at 7".
__________________
44 Willys MB 52 M38A1 64 Corvette Coupe 68 Camaro 'vert LT1 & TH700 69 Z/28 355 12.6's @110 69 Chevy Short Step 4 1/2"/7" drop 72 Jimmy 4WD 4spd 4" & 35's 02 GMC 2500HD 4x4 Duramax |
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#10 |
Registered User
Join Date: Nov 2016
Location: Arlington tx
Posts: 14
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Re: What is the max drop in the rear?
I may not need 8. I did 6 in the front, so I'm just guessing.
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#11 |
Registered User
Join Date: Nov 2016
Location: Arlington tx
Posts: 14
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Re: What is the max drop in the rear?
I just want the truck to sit level.
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#12 |
Registered User
Join Date: Apr 2012
Location: Ocala,Fl
Posts: 733
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Re: What is the max drop in the rear?
...then go five in the front.
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#13 |
Registered User
Join Date: Apr 2015
Location: Ayr Ontario
Posts: 1,122
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Re: What is the max drop in the rear?
I went 7 in the rear and I did the frame notch and bed raise. I think 5-5.5 inches would be max without mods. My front has 2.5 spindles and 2 inch lowered springs.
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#14 |
Registered User
Join Date: Nov 2016
Location: Arlington tx
Posts: 14
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Re: What is the max drop in the rear?
I've already did the 3in drop spindles and 3in drop springs. I like where the front is sitting.
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#15 |
Senior Member
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Location: PORT NECHES, TEXAS / USA
Posts: 1,666
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#16 | |
Hittin E-Z Street on Mud Tires
![]() Join Date: Nov 2004
Location: Greenville, SC
Posts: 23,090
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Re: What is the max drop in the rear?
Quote:
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#17 |
Registered User
Join Date: Apr 2015
Location: Ayr Ontario
Posts: 1,122
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Re: What is the max drop in the rear?
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#18 | |
Registered User
Join Date: Sep 2012
Location: Columbia, SC
Posts: 549
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Re: What is the max drop in the rear?
Quote:
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Life is too long to go slow... ![]() 71 GMC 1500 Super Custom LWB 350/350 AC(replaced w/vintage air)/PS/PB 2.5 CPP Spindle, 1" CPP Drop Spring, CPP Front and Rear Sway Bars/DJM Flip, new General Spring KC 5 spring pack, HEI /IntReg Alt 20x8.5 OldSkools 5" BS, 275/45 Falkens |
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